Explore the Family Name Mckessy
The meaning of Mckessy
Irish: correctly Mackesy, a reduced form of Ó Macasa ‘descendant of Macas (perhaps a variant of Maghnus; see McManus). The name has been mis-spelled as though it were a patronymic in Mac-.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Mckessy in the United States?
The popularity of the surname Mckessy, according to data from the Decennial U.S. Census, showed a slight drop in rank between 2000 and 2010. The rank of the surname fell from 125,639 in 2000 to 133,863 in 2010, marking a decrease of 6.55%. Despite this fall in rank, the count of people with the Mckessy surname remained stable at 126 over the decade. Consequently, its proportion per 100k people saw a decline of 20%, moving from 0.05 in 2000 to 0.04 in 2010.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #125,639 | #133,863 | -6.55% |
| Count | 126 | 126 | 0% |
| Proportion per 100k | 0.05 | 0.04 | -20% |
Race and Ethnicity of people with the last name Mckessy
In terms of ethnic identity, the Decennial U.S. Census data shows that the Mckessy surname is predominantly associated with White ethnicity. In both 2000 and 2010, over 96% of individuals with the Mckessy surname identified as White, although there was a slight decrease of 0.83% over the decade. No significant representation from other ethnicities such as Asian/Pacific Islander, Hispanic, Black, or American Indian and Alaskan Native was noted in either census year. The category of "Two or more races" also did not register any change between 2000 and 2010.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 96.83% | 96.03% | -0.83% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Two or More Races | 0% | 0% | 0% |
| Hispanic | 0% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |